Subjective hearing ability, physical and mental comorbidities in individuals with bothersome tinnitus in a Swedish population sample
- PMID: 33637232
- DOI: 10.1016/bs.pbr.2020.10.001
Subjective hearing ability, physical and mental comorbidities in individuals with bothersome tinnitus in a Swedish population sample
Abstract
Objective: This study investigates associations of subjective hearing ability, physical comorbidities, and mental comorbidities with bothersome (vs. non-bothersome) tinnitus and mediating effects between these influences.
Methods: The Swedish LifeGene cohort was used to sample cross-sectional survey data (collected 2009-2016) of 7615 participants with tinnitus, 697 (9.2%) of whom rated their tinnitus as bothersome. Associations between bothersome tinnitus and subjective hearing ability, physical and mental comorbidities were investigated by separate age- and gender-adjusted multiple logistic regression models. Interrelationships between these associations were investigated by logistic mediation models.
Results: Compared to non-bothersome tinnitus, bothersome tinnitus was associated with higher age, reduced subjective hearing ability, hearing-related difficulties in social situations, cardiovascular disease, chronic shoulder pain, thyroid disease, Ménière's disease, depression, anxiety syndrome, and social anxiety. Subjective hearing impairment or hearing-related difficulties mediated 13-36% of the effects of mental comorbidities on bothersome tinnitus. Depression or anxiety syndrome mediated 5-8% of most relationships between physical comorbidities and bothersome tinnitus. Depression, anxiety syndrome, or social anxiety mediated 2-4% of the effects of subjective hearing impairment or hearing-related difficulties on bothersome tinnitus.
Conclusion: Psychological factors, subjective hearing impairment, and hearing-related difficulties in social situations play key roles in predicting bothersome (vs. non-bothersome) tinnitus in a large population sample. Psychological factors contribute to explaining the impact of physical comorbidities and hearing-related effects on bothersome tinnitus. This highlights their transdiagnostic importance for aggravating varied physical symptom clusters. Interventions to improve or prevent high tinnitus burden should be interdisciplinary/multimodal and target auditory, physical, and psychological factors.
Keywords: Bothersome tinnitus; Hearing ability; Mediation analysis; Mental comorbidity; Physical comorbidity.
© 2021 Elsevier B.V. All rights reserved.
Conflict of interest statement
Conflict of interest CC is supported by the UK National Institute for Health Research (NIHR) Biomedical Research Centre but the views expressed herein are his own and do not represent those of NIHR nor the UK Department of Health and Social Care. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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